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From bigosma...@apache.org
Subject [33/48] git commit: [flex-sdk] [refs/heads/iso7skins] - FLEX-34634 - add null check (patch provided by Gareth Daniel Smith)
Date Sat, 22 Nov 2014 01:01:16 GMT
FLEX-34634 - add null check (patch provided by Gareth Daniel Smith)

Signed-off-by: Erik de Bruin <erik@ixsoftware.nl>


Project: http://git-wip-us.apache.org/repos/asf/flex-sdk/repo
Commit: http://git-wip-us.apache.org/repos/asf/flex-sdk/commit/a50a8d0e
Tree: http://git-wip-us.apache.org/repos/asf/flex-sdk/tree/a50a8d0e
Diff: http://git-wip-us.apache.org/repos/asf/flex-sdk/diff/a50a8d0e

Branch: refs/heads/iso7skins
Commit: a50a8d0ed7b61686704c9d11224c91f9e6083026
Parents: afd12ba
Author: Erik de Bruin <erik@ixsoftware.nl>
Authored: Tue Nov 18 09:17:41 2014 +0100
Committer: Erik de Bruin <erik@ixsoftware.nl>
Committed: Tue Nov 18 09:17:41 2014 +0100

----------------------------------------------------------------------
 frameworks/projects/spark/src/spark/components/DataGroup.as | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/flex-sdk/blob/a50a8d0e/frameworks/projects/spark/src/spark/components/DataGroup.as
----------------------------------------------------------------------
diff --git a/frameworks/projects/spark/src/spark/components/DataGroup.as b/frameworks/projects/spark/src/spark/components/DataGroup.as
index be4f51d..e946e30 100644
--- a/frameworks/projects/spark/src/spark/components/DataGroup.as
+++ b/frameworks/projects/spark/src/spark/components/DataGroup.as
@@ -1751,7 +1751,7 @@ public class DataGroup extends GroupBase implements IItemRendererOwner
                 virtualRendererIndices.splice(vrItemIndex, 1);
         }
         
-        // Remove the old renderer at index from indexToRenderer[], from the 
+        // Remove the old renderer at index (if any) from indexToRenderer[], from the
         // DataGroup, and clear its data property (if any).
         
         const oldRenderer:IVisualElement = indexToRenderer[index];
@@ -1759,6 +1759,8 @@ public class DataGroup extends GroupBase implements IItemRendererOwner
         if (indexToRenderer.length > index)
             indexToRenderer.splice(index, 1);
         
+        if (oldRenderer)
+        {
         dispatchEvent(new RendererExistenceEvent(
             RendererExistenceEvent.RENDERER_REMOVE, false, false, oldRenderer, index, item));
         
@@ -1768,6 +1770,7 @@ public class DataGroup extends GroupBase implements IItemRendererOwner
         var child:DisplayObject = oldRenderer as DisplayObject;
         if (child)
             super.removeChild(child);
+        }
         
         invalidateSize();
         invalidateDisplayList();


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